What amount if force need to be applied to a 20 kg bowling ball to give it an acceleration of 5m/s

Apeak with a retention time of 407 s has a width at half-height (w1/2) of 7.6 s. a neighboring peak is eluted 17 s later with a w1/2 of 9.4 s. a compound that is known not to be retained was eluted in 2.5 s. the peaks are not baseline resolved. how many theoretical plates would be needed to achieve a resolution of 1.5?

Which part of earth’s surface receives the most direct rays from the sun? a) equator b) ocean c) poles d) mountains

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